How Many Turns Does My Garage Door Spring Need
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Unfortunately, the garage door is an area of where they cut expenses by installing only one torsion spring on a standard 16’x7 garage door when there really should be two. Even though the door will function, having only one spring places unnecessary wear and unbalance to the door which, over time, causes the spring to break due to over-use.
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A garage door with extension springs will have a safety cable on each side of the door running through the spring and attached to the wall or ceiling. These cables are an important safety feature. Extension springs are under a great deal of tension, and if one was to break, it could cause serious injury.
– The springs used in opening and closing a garage door support the entire weight of the garage door. This means that there is extreme tension in these springs and that any sudden and uncontrolled release of these springs is dangerous and could cause serious injuries. – There are two kinds of springs used: extension springs or torsion springs.
Your torsion spring should have a specific number of turns based on the door height, drum size and track radius. When you have to add turns after only one year, the door may balance when it’s one or two feet off the floor, but when the door is raised more than halfway, it will be extremely hot, which means it will go up on its own.
Securing Door for spring winding tools Needed: (2) vice clamps 22 track vice CLAMPS ATTACHED TO INNER RAIL OF TRACK Place vice clamps onto both vertical tracks just above the third roller. This is to prevent the garage door from raising while winding torsion springs. FAILURE TO PLACE VICE CLAMPS ONTO VERTICAL TRACK CAN ALLOW DOOR TO RAISE AND
A rule of thumb with springs is that four quarter turns equals a full revolution and the spring needs to be tightened a full revolution for every foot of door height (e.g. 7-1/2 foot door = 7 revolutions +2 (30 quarter turns). One way to help remember how many turns have been completed is to paint a line down the width of the spring.